A193062 Number of size n nonnegative integer arrays with new values introduced in increasing order from 0, and no 7 consecutive elements totalling n or more

1, 2, 4, 11, 30, 87, 273, 884, 3528, 15794, 77546, 411280, 2330917, 13986818, 88229024, 584296099, 4065067511, 29670613826, 226603232720, 1805007845631, 14960664057034, 128832477724303, 1150304120201088, 10631476589401031

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n = 1..28

Example

Some solutions for n=8
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..1....0....1....1....1....0....1....0....1....1....1....0....0....1....0....1
..1....1....2....2....0....0....0....1....2....2....0....1....1....0....1....0
..1....2....1....0....2....0....0....1....1....0....1....0....0....2....2....2
..1....1....0....1....1....1....2....1....1....0....0....0....1....1....0....3
..1....2....0....0....3....2....0....0....0....0....0....2....1....1....0....0
..0....1....3....1....0....1....1....0....0....0....0....0....1....0....0....0
..2....0....0....0....0....3....1....0....2....3....0....3....1....0....0....1

Crossrefs

Sequence in context: A285216 A212422 A189832 * A193061 A193060 A373760

Adjacent sequences: A193059 A193060 A193061 * A193063 A193064 A193065

Keyword

nonn

Author

R. H. Hardin Jul 15 2011

Status

approved